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一、问题的提出电极损耗是电火花加工中一个重要的理论问题和技术问题。早在1955年,苏联学者就利用热传导理论研究了电极损耗问题,第一次提出“无蚀区”的概念和
First, the question put forward Electrode loss is EDM an important theoretical and technical issues. As early as 1955, Soviet scholars used the theory of heat conduction to study the problem of electrode wear. For the first time, the concept of “eroded zone”